
package teacher.chapter03;

//class Student{
//    int age;
////    public Student() {
////        System.out.println("这是默认的无参数的构造函数");
////    }
//    public Student(int n) {
//        age = n;
//    }
//}
//public class Example08 {
//    public static void main(String[] args) {
//        Student stu = new Student();
//    }
//}

